Tailbone pain is generally referred to as sacrococcygeal pain. Pain in the sacrococcygeal area can be caused by trauma, inflammation, deformity, or tumor at the tailbone and sacrococcygeal joint. The most common clinical causes are still acute and chronic trauma and deformity. Its sacrococcygeal pain is the main symptom, especially to sit on a hard bench, coughing or defecation pain is obvious. Patients like to sit on the sofa or bring their own sponge and other soft cushions to prevent localized pressure. And patients have fear of defecation. Some patients have a history of sacrococcygeal trauma or fracture, especially in the sitting position, but also due to ligament strain or joint degeneration. Physical examination reveals significant tenderness at the sacrococcygeal junction. The pain can be exacerbated and induced by pinching the coccyx with two fingers and rocking it back and forth during anal finger test. And anal finger test can exclude coccygeal tumor and rectal-anal tube disease. For acute strain injury, bed rest should be provided, and fresh fracture with forward displacement can be immediately reset by anus finger. And should reduce walking, warm water sitz bath 1-2 times a day. In addition, should also change the sitting posture, develop the habit of sitting with thighs for a long time, in order to reduce the weight of the buttocks, can also use the air cushion, air ring, to prevent compression, relieve symptoms. For those with obvious pain, anti-inflammatory and analgesic drugs can be taken orally or local injections of hormones can be used to relieve symptoms. For those with obvious caudal deformity that is not relieved by conservative treatment, the caudal bone can be surgically removed. Sacrococcygeal pain is a general term for clinical pain in the tailbone area, and once pain in the tailbone area occurs, medical treatment should be sought promptly.